code: def tearDownClass(cls):
      execute_query_fetch_all(cls.evadb, "DROP TABLE IF EXISTS MyCSV;")
  
file_path: evadb/test/unit_tests/optimizer/rules/test_batch_mem_size.py
imports: import unittest
  from test.util import get_evadb_for_testing
  from mock import ANY, patch
  from evadb.server.command_handler import execute_query_fetch_all
  from evadb.storage.sqlite_storage_engine import SQLStorageEngine
label_desc: Use image node_id 2 for calling the BatchMemSizeTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types